general_fact: 40268 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 40268 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 40268 is an unremarkable number.
historical_date: April 1st is the day in 1939 that Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender.